3ru Rack Mount
Overview
Product sourcing insights & recommendations
The 3RU rack mount market in 2026 is defined by a strategic shift toward modular data center infrastructure and AI-optimized hardware. Driven by the surge in high-density AI server deployments, 3RU to 4RU form factors are becoming the backbone for high-capacity power distribution (up to 63A/45 kW) and specialized telecom applications AlibabaAlibaba.
Market Trends & Insights (2026)
* Modular Lifecycle Extension: Market leaders are moving toward modular 3RU chassis designs that allow for field-replaceable components, extending hardware refresh cycles from 5 years to 7–12 years TimebeatAlibaba.
* AI Power Infrastructure: The deployment of GPU clusters is driving demand for high-density 63A PDUs in 3RU–4RU units to handle significant thermal and power spikes AlibabaInforma.
* Precision Timing for 5G: In the telecom sector, 1RU rack kits housing three independent grandmaster units (effectively a 3-unit 3RU density) are trending for O-RAN and 5G network redundancy Timebeat.
* Sustainability & Efficiency: The adoption of GaN-based amplifiers in 3RU CATV modulators is reducing energy consumption by up to 30%, aligning with global 2026 sustainability mandates Alibaba.
Product Pricing & Benchmarks
B2B pricing for 3RU equipment shows a wide range based on technical sophistication and application:
* Industrial Chassis: OEM 3RU server cases range from $13.90 to $19.90 for basic sheet metal to $189 for units with hot-swap bays and integrated cooling AlibabaAlibaba.
* High-Density PDUs: Professional 63A 3RU/4RU power units are benchmarked at €500–€800 ($550–$880) Alibaba.
* Security Storage: Locking 3RU drawers for 19-inch cabinets are priced between $15 and $80, depending on materials (steel vs. aluminum) and depth AlibabaAlibaba.
* Specialized Telecom: Modular 24-in-1 CATV modulators are trending at $1,500–$2,500 for professional integrated chassis Alibaba.
3ru Rack Mount Chassis Server Case
Products · 3 lists
Custom 3U Rackmount Industrial PC Chassis Full Black Arrow Vent Sheet Metal Server Case OEM Factory
Dongguan Baorun Machinery Co., Ltd.verified🇨🇳CN1 yr
3U ATX Rackmount Server Chassis with 16 Hot Swap Bays Industrial PC Case 3*12038 Fans Side Panel Window in Stock
Dongguan Qirui Hardware Technology Co., Ltd.🇨🇳CN6 yrs
Front Lockable PC Computer Industrial 3U Rackmount Server Case Short Depth 390mm Server Chassis
Factory Server case Design Sheet Metal Housing Computer Metal Chassis 3U 19 Rack Mount Network Cabinet Enclosure Metal Chassis
Shenzhen Hongfa Shunda Mould Co., Ltd.verified🇨🇳CN10 yrs
19inch 300MM Depth 3U ATX Rack Mount Server Chassis With 5025 Optical Drives Industrial Case for Data Center
Shenzhen Innovision Technology Co., Ltd.🇨🇳CN10 yrs
High Quality 3U Compact Rackmount Server Case Industrial ATX Chassis with Fan in Stock EKI-N303 Customizable
Shenzhen Epona Tech Ltd.🇨🇳CN18 yrs
OEM ODM Custom 3u Rack Enclosure 3u Server case 3u Rackmount Chassis
Beijing Oriens Technology Co., Ltd.verified🇨🇳CN13 yrs
PC Computer Industrial Rack Mount Server 3U Chassis Case
Shenzhen Shangzhixinke Technology Limited🇨🇳CN9 yrs
ZSTC Rittal . 19" 3U 6U subrack board chassis PXI CPCI ATCA VPX card guide server cabinet rack cases 24563-136 24563-132
C-Box Electronic Technology Co., Ltd.🇨🇳CN5 yrs
Factory Direct TOP3U450B 3U Rackmount Server Chassis - High-Capacity Storage Case for Cloud Storage, Big Data & Security
Shenzhen Toploong Technology Co., Ltd.🇨🇳CN14 yrs
3U Rackmount Server Chassis ATX Micro ATX Mini ITX Cooling Fan Metal Enclosure
Shanxi Yunwei Industrial Co., Ltd.verified🇨🇳CN13 yrs
3u 12 Bays Server case 500mm Length Rackmount Chassis High Storage Industrial case
Guangzhou Baocheng Electronic Technology Co., Ltd.🇨🇳CN18 yrs
3U Rackmount Server Chassis 450mm Short Depth 8x3.5 Hot-Swap Drive Bay 7 PCIe Slots 3x8025 Fan ATX PSU for Cloud Storage NAS
Shenzhen Jiumeng Electronics Technology Co., Ltd.verified🇨🇳CN1 yr
Custom Rack Mount Industrial Aluminum Chassis Case19-inch 1U Server Sheet Metal Chassis Enclosure
SHENZHEN YUCHI TECHNOLOGY Co., Ltd.verified🇨🇳CN5 yrs
Network Server Rack Cabinet Electronic Enclosure Customization 1u 2u 3u 4u Aluminum Chassis Rackmount Servers Case
Shenzhen YSY Electric Equipment Co., Ltd🇨🇳CN8 yrs
Custom Server Rack Chassis Manufactured Per Drawing for 4U Rackmount Case Industrial PC Enclosure
Hebei Gionlee Machinery Equipment Sales Co., Ltd.verified🇨🇳CN7 yrs
3U Rackmount Chassis Server Industrial case with Temperature Screen Storage case
Shenzhen Macase Technology Limited🇨🇳CN10 yrs
19 Inch 3U Rack Enclosure Chassis with Stainless Steel Carbon Steel Aluminum Construction Customizable Rack Mount
Shenzhen Xinbaoxin Hardware And Plastic Products Co., Ltd.🇨🇳CN4 yrs
Server Rack Mount Case 3U 4U 5U 6U 8U 10U 12U 14U 16U 20U 24U
Shanghai Canggu Plastic Technology Co., Ltd.verified🇨🇳CN9 yrs
OEM ODM Custom 3u Rack Enclosure 3u Server case 3u Rackmount Chassis
Rackmount Server Chassis Case Aluminium Enclosure Sandblasted Brushed Desktop Box 19 Inch 1U 2U 3U 4U Rack Mount Server Chassis
Xiamen Tongchengjianhui Industry & Trade Co., Ltd.verified🇨🇳CN11 yrs
Bergek OEM Custom Micro ATX Rack Mount Chassis 4U 5U 6U 3U 2U 1U Server Aluminum Computer Case Sheet Metal Bending Laser
Shenzhen Bergek Technology Co., Ltd.verified🇨🇳CN10 yrs
Hongfa B-43 4U3U Serve case Rack Mount Chassis Sheet Metal Box 4u Server case Rack Server Cabinet Case Custom 19 Inch
CHUANGHONG ENGINEERING PLASTICS COMPANY LIMITED🇻🇳VN1 yr
ZhenLoong 4U 24 Bay Rackmount Server case Hard Disk Hot-swap Storage Chassis SAS SATA with 12Gb Backplane SFF8643 Data Interface
Guangzhou Zhenloong Information Technology Co., Ltd.🇨🇳CN5 yrs
EU US Warehouse 2U Rackmount Chassis with Power Redundancy Supply Exquisite Workmanship X86 Firewall Mini 2U Server Case
Shenzhen Lingxia Yidu Technology Co., Ltd.🇨🇳CN3 yrs
4U Rackmount Server Case with 24 Hot-Swappable SATA/SAS Drive Bays MiniSAS/SATA Connector in Stock
Shenzhen Bailian Powerise Mdt Info Tech Ltd🇨🇳CN7 yrs
1U Rackmount Chassis Micro ATX Mainboard Chassis Server Industrial Computer case Server Chassis
Dongguan Jiuyin Intelligent Technology Co., Ltd.🇨🇳CN2 yrs
Ultra-Thin 1U Rackmount Server Chassis 4 Bay Hot-swap SATA/SAS Storage Case for Firewall & Router psu
Shenzhen Haisimai Trading Co., Ltd.🇨🇳CN2 yrs
4U Rackmount Server Support Water-cooled Industrial Computer case
Dongguan Fanlong Hardware Technology Co., Ltd.verified🇨🇳CN6 yrs
482*250*44.5mm PD001 1U Chassis Aluminum Rack Mount case
Ningbo Darer Enclosure Co., Ltd.verified🇨🇳CN9 yrsRelated Searches
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Sources & References
16 sources cited · Verified industry data & reports
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Alibaba.com
ator Updated September 20, 2026 Alibaba.com … 3RU and 4RU rack-mounted units. Market rates range from $350 for integrated boards to over $1,500